发明名称 Adjustable chair
摘要 An adjustable leg for a chair includes a leg housing, secured to a seat, that includes a threaded inner wall. A leg extension is received into the leg housing and includes external threaded portions that mate with the threaded inner wall. A tab in the leg housing cooperates with the external threaded portions and secures the leg extension at a predefined position in the leg housing.
申请公布号 US6957865(B1) 申请公布日期 2005.10.25
申请号 US20040709123 申请日期 2004.04.14
申请人 INVACARE CORPORATION 发明人 ADAMS JOSEPH W.;DELGADO CHRISTOPHER H.
分类号 A47B91/02;A47C1/02;A47C3/00;A47C3/025;A47C3/24;A47C3/40;A47C4/02;A47C5/12;A47K3/12;(IPC1-7):A47C1/02 主分类号 A47B91/02
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